† Not applicable. The inclusion/exclusion criteria used to produce the tabulations require high school graduates to have a positive number of English credits.

! Interpret data with caution. Users are cautioned against performing t-tests on cells with NAEP proficiency estimates that have been calculated with less than 62 observations (N). NAEP considers a cell size of 62 the minimum required for performing meaningful comparisons.

‡ Reporting standards not met. Means and standard errors based on less than 30 observations are not reported. If necessary, so as not to disclose the number of observations in these cells, other cells were not reported.

SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, High School Transcript Study (HSTS), 2000.